<template>
  <div class="questions-preview">
    <el-dialog title="题目预览" :visible="dialogVisible" width="900px" @close="closePreview">
  <el-row>
        <el-col :span="6">【题型】：{{myData.questionType|tx}}</el-col>
        <el-col :span="6">【编号】：{{myData.id}}</el-col>
        <el-col :span="6">【难度】：{{myData.difficulty|nd}}</el-col>
        <el-col :span="6">【标签】：{{myData.tags}}</el-col>
        <el-col :span="6">【学科】：{{myData.subjectName}}</el-col>
        <el-col :span="6">【目录】：{{myData.directoryName}}</el-col>
        <el-col :span="6">【方向】：{{myData.direction}}</el-col>
  </el-row>
  <hr>
  【题干】：<div v-html="myData.question" style="color:blue"></div>
    <div v-if="myData.questionType!=='3'">
      <div>{{myData.questionType|tx}} 选项：（以下选中的选项为正确答案）</div>
      <div v-for="item in myData.options" :key="item.code" style="padding:8px 0">
        <el-radio v-if="myData.questionType==='1'" :value="item.isRight" :label="1">{{item.title}}</el-radio>
         <el-checkbox v-if="myData.questionType==='2'" :value="item.isRight?true:false" >{{item.title}}</el-checkbox>
         </div>
    </div>
    <hr>
    【参考答案】：<el-button type="danger" size="small" @click="preivewVideo">视频答案预览</el-button>
    <div v-show="play" style="width:500px">
      <video ref="video" :src="myData.videoURL" controls style="width:100%"></video>
    </div>
     <hr>
      【答案解析】：<div style="display:inline-block" v-html="myData.answer"></div>
      <hr>
      【题目备注】：{{myData.remarks}}
    <span slot="footer" class="dialog-footer">
    <el-button type="primary" @click="closePreview">关闭</el-button>
    </span>
    </el-dialog>
  </div>
</template>

<script>
import { detail } from '@/api/hmmm/questions.js'
import { difficulty, questionType } from '@/api/hmmm/constants'
export default {
  name: 'QuestionPreview',
  props: {
    dialogVisible: {
      type: Boolean,
      default: false
    },
    questionInfo: {
      type: Object,
      default: () => {}
    }
  },

  data () {
    return {
      myData: {},
      // 视频答案预览
      play: false
    }
  },
  methods: {
    // 获取题目详情
    async getDetail () {
      // console.log(this.questionInfo.id)
      const { data } = await detail({ id: this.questionInfo.id })
      // console.log(data)
      this.myData = data
    },
    // 视频预览
    preivewVideo () {
      this.play = true
      this.$refs.video.play()
    },
    // 关闭对话框
    closePreview () {
      this.$emit('update:dialogVisible', false)
      this.$refs.video.pause()
    }
  },
  filters: {
    nd (value) {
      if (value) return difficulty.find(item => item.value === +value).label
    },
    tx (value) {
      if (value) return questionType.find(item => item.value === +value).label + '题'
    }
  }
}
</script>

<style scoped lang='scss'>
.questions-preview{
  .el-col{
    padding: 10px 0;
  }
}
.video{
  width: 400px;
  height: 300px;
  video {
    width: 100%;
    height: 100%;
  }
}
</style>
